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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.227

Server-pushed auto-compaction state is now applied

You'll notice
Useful3 Signal4
Compaction

Auto-compaction state pushed from the server is now actually applied in your client.

What

Both the normal streaming reader and the thin-client stream path recognise an autocompact_state message and apply it, so auto-compaction state sent by the server is reflected in the client instead of being dropped.

Details
  • The applied state is tagged with its origin, stream or thin_client_stream.
Evidence

autocompact_state

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.227 →